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844S42BKILF

更新时间： 2024-11-25 01:13:47
品牌 Logo 应用领域
艾迪悌 - IDT 时钟外围集成电路晶体
页数 文件大小 规格书
28页 428K
描述
Dual Output RF Frequency Synthesizer

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中文翻译

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844S42BKILF 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：VFQFPN
包装说明：HVQCCN,针数：56
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：0.75
Samacsys Description：VFQFP-N 8.0 X 8.0 X 0.85 MM - NO LEADJESD-30 代码：S-XQCC-N56
JESD-609代码：e3长度：8 mm
湿度敏感等级：3端子数量：56
最高工作温度：85 °C最低工作温度：-40 °C
最大输出时钟频率：2592 MHz封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装形状：SQUARE
封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE峰值回流温度（摄氏度）：260
主时钟/晶体标称频率：16 MHz认证状态：Not Qualified
座面最大高度：1 mm最大供电电压：3.465 V
最小供电电压：3.135 V标称供电电压：3.3 V
表面贴装：YES技术：CMOS
温度等级：INDUSTRIAL端子面层：Matte Tin (Sn)
端子形式：NO LEAD端子节距：0.5 mm
端子位置：QUAD处于峰值回流温度下的最长时间：NOT SPECIFIED
宽度：8 mmuPs/uCs/外围集成电路类型：CLOCK GENERATOR, OTHER
Base Number Matches：1

844S42BKILF 数据手册

 浏览型号844S42BKILF的Datasheet PDF文件第2页浏览型号844S42BKILF的Datasheet PDF文件第3页浏览型号844S42BKILF的Datasheet PDF文件第4页浏览型号844S42BKILF的Datasheet PDF文件第5页浏览型号844S42BKILF的Datasheet PDF文件第6页浏览型号844S42BKILF的Datasheet PDF文件第7页 
Dual Output RF Frequency Synthesizer  
844S42I  
Data Sheet  
General Description  
Features  
The 844S42I is a 3.3V compatible, PLL based clock synthesizer  
targeted for clock generation in high-performance instrumentation,  
networking and computing applications. Using either the serial (I2C)  
or parallel programming interface, the 844S42I enables the  
generation of clock frequencies in the range of 81MHz to 2592MHz.  
The internal crystal oscillator uses the external quartz crystal as the  
basis of its frequency reference. Alternatively, a LVCMOS compatible  
clock signal can be used as PLL reference signal. The devices uses  
an integer-N synthesizer architecture and is optimized for low-jitter  
generation. The VCO within the PLL operates over a range of  
1296MHz to 2592MHz. Its output is scaled by a divider that is  
configured by either the I2C or parallel interfaces. The crystal  
oscillator frequency fXTAL, the PLL pre-divider P, the feedback-divider  
M and the PLL post-divider N determine the output frequency. The  
feedback path of the PLL is internal.  
• Programmable frequency synthesis optimized for instrumentation,  
networking and computing applications  
• 81MHz to 2592MHz synthesized clock output signal  
• Two differential, universal LVDS or LVPECL compatible  
high-frequency outputs  
• Output frequency programmable through 2-wire I2C bus or  
parallel interface  
• On-chip crystal oscillator for reference frequency generation  
• Alternative LVCMOS/LVTTL compatible reference clock input  
• Clock stop and output enable functionality  
• PLL lock indicator output (LVCMOS/LVTTL)  
• LVCMOS/LVTTL compatible control inputs  
• Fully integrated PLL  
• SiGe Technology  
• Full 3.3V supply voltage  
• -40°C to 85°C ambient operating temperature  
• Available in a lead-free (RoHS 6) compliant package  
The PLL post-dividers NA and NB are configured through either the  
I2C or the parallel interfaces, each can provide one of seven division  
ratios (1, 2, 3, 4, 6, 8, 16). This divider extends the performance of  
the part while providing a typical 50% duty cycle. The high-frequency  
outputs QA and QB are differential and are capable of driving a pair  
of transmission lines. The positive supply voltage for the internal PLL  
is separated from the power supply for the core logic and output  
drivers to minimize noise induced jitter. The serial interface is I2C  
compatible and provides read and write access to the internal PLL  
configuration registers. The lock state of the PLL is indicated by the  
LVCMOS-compatible LOCK_DT output. The 844S42I is packaged  
in a 8mm x 8mm 56-lead VFQFN package.  
Pin Assignment  
56 55 54 53 52 51 50 49 48 47 46 45 44 43  
42  
41  
GND  
nc  
1
nc  
2
VDDOA  
VDDOA  
QA  
3
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
nBYPASS  
nc  
4
5
VDD  
ICS844S42I  
56-Lead VFQFN  
8mm x 8mm x 0.925mm  
package body  
K Package  
nQA  
GND  
GND  
GND  
GND  
QB  
6
REF_CLK  
GND  
7
REF_SEL  
XTAL_IN  
XTAL_OUT  
nMR  
8
9
10  
11  
12  
13  
14  
Top View  
nQB  
VDDOB  
VDDOB  
LOCK_DT  
LEV_SEL  
VDD  
nc  
15 16 17 18 19 20 21 22 23 24 25 26 27 28  
©2016 Integrated Device Technology, Inc  
1
Revision A April 28, 2016  
1234567...28

中文翻译

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844S42BKILF 替代型号

型号 品牌 替代类型 描述 数据表
844S42BKILFT IDT

完全替代

 Dual Output RF Frequency Synthesizer

与844S42BKILF相关器件

型号 品牌 获取价格 描述 数据表
844S42BKILFT IDT

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 		Dual Output RF Frequency Synthesizer
844S42BKIT IDT

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 		Clock Generator, 2592MHz, 8 X 8 MM, 0.925 MM, MO-220, VFQFN-56
844S42I IDT

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 		Dual Output RF Frequency Synthesizer
845 AMPHENOL

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 		Circular Connector, Steel, Female; Male, Crimp; Solder Terminal, Plug; Receptacle
845.25%FA1020PPM-TANDR VISHAY

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 		Fixed Resistor, Wire Wound, 10W, 845ohm, 700V, 0.25% +/-Tol, -20,20ppm/Cel,
845-.25%-FA1-20PPM-CARDPACK VISHAY

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 		Fixed Resistor, Wire Wound, 1W, 845ohm, 44V, 0.25% +/-Tol, -20,20ppm/Cel,
845-.5%-FA2-20PPM-AMMOPACK VISHAY

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 		Fixed Resistor, Wire Wound, 2W, 845ohm, 65V, 0.5% +/-Tol, -20,20ppm/Cel,
845-.5%-FA2-20PPM-TANDR VISHAY

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 		Fixed Resistor, Wire Wound, 2W, 845ohm, 65V, 0.5% +/-Tol, -20,20ppm/Cel,
8450 FILTRAN

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 		LAN 10/100 Base-T Single Port Transformer Module
84500 FCI-CONNECTOR

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 		0 mm PLUG ASSEMBLY 10 X 30 = 300 POSITIONS

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